HELP!!!! I'm at a loss on what to do with our pup. He's 4 months old. When he chews on things like the couch; we move him away and he just keeps going back. How do we get him to stop doing that. And he likes to bite at our hands and we try to stop him and push him off and it just keeps him coming for more. I don't know if he thinks this is playing or what. But the biting just persists. Then at night when it's bed time; we usually put him on the bed with us before he goes in his crate and he runs around and when I try to grab him to get him to sit still he tries to growl and bark at me. I grab him anyway; but then he tries to bite. I don't know what to do about this. It's so frustrating; we don't know what the positive discipline is and I don't want to use physical discipline. Does anybody have any tips or advice?